At the beginning you are rank 6 and level 1 to Level up you have to complete 5 quests To rank up you have to be level 10 At 5th Rank it takes 10 quests to level up to Rank up to the 4th Rank you need to be level 20 At the 4th Rank you it takes 10 quests to level up To Rank up to the 3rd Rank you need to be level 35At the 3rd Rank it takes 15 quests to level upTo Rank up to the 2nd Rank you need to be Level 50At the 2nd Rank it takes 15 quests to level upTo rank up to the 1st rank you need to be level 65At the 1st rank it takes 20 quests to level up